If your solenoid operates properly, the issue might be during the torque converter itself. Should the solenoid would not make it possible for air to circulation, location it inside of a clean container of automatic transmission fluid and electrically cycle it to see if you can clear away any blockage https://torqueconverterclutch64184.theisblog.com/34468005/the-5-second-trick-for-torque-converter-clutch